MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
145 - Table './balkania_forum/mybb_sessions' is marked as crashed and should be repaired
Query:
REPLACE INTO mybb_sessions SET `uid`=0,`sid`='b4eaaa4eeb7788df588b41b4acf7b61d',`time`=1711646025,`ip`=X'2cdf1f94',`location`='/showthread.php?tid=519&action=newpost',`useragent`='claudebot',`location1`=5,`location2`=519,`nopermission`=0